Patents Assigned to Chemical Corporation
  • Downhole drilling apparatus and method of control thereof
    Patent number: 10982525
    Abstract: A downhole drilling system for reducing impact of vibration comprises a drill string having a bottom hole assembly (BHA) and a controller configured to control the downhole drilling system. The BHA includes a measurement sub configured to measure one or more of lateral, torsional, and axial vibrations. In this system, the controller controls the downhole drilling system based on a drilling environmental profile including drilling parameters of one or more of the lateral, torsional, and axial vibrations and further based on a vibration mode and a vibration level of the one or more of the lateral, torsional, and axial vibrations determined from the drilling environmental profile.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: April 20, 2021
    Assignee: CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventor: Sheng Zhan
  • Catalyst system for olefin oligomerization and method for preparing olefin oligomer using same
    Patent number: 10981155
    Abstract: Disclosed are a novel catalyst system which is a catalyst system for selectively oligomerizing olefin including ethylene and may trimerize and tetramerize olefin, different from the catalyst system for olefin oligomerization reported until now, and a method for preparing an olefin oligomer using same. The present invention provides a catalyst system for olefin oligomerization, including a ligand compound represented by Formula 1; a chromium compound; and a metal alkyl compound, and a method for preparing an olefin oligomer using same.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: April 20, 2021
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Hee Young Kim, Min Jae Shin, Tae Jin Kim, Seung Woong Yoon
  • ENERGY CURABLE COMPOSITIONS COMPRISING REACTION PRODUCTS OF POLY(ALKYLENE OXIDE)-CONTAINING GLYCIDYL ETHERS AND ACRYLIC ACID
    Publication number: 20210108096
    Abstract: The present invention is drawn to low migration energy-curable compositions comprising epoxy acrylates derived from the reaction of poly(alkylene oxide) containing glycidyl ethers with acrylic acid. The compositions of the invention are particularly useful for the printing or coating of food packaging.
    Type: Application
    Filed: July 1, 2019
    Publication date: April 15, 2021
    Applicant: SUN CHEMICAL CORPORATION
    Inventors: Derek Ronald ILLSLEY, Jürgen DIEKER
  • FIBER-REINFORCED RESIN PREPREG, MOLDED ARTICLE, AND FIBER-REINFORCED THERMOPLASTIC RESIN PREPREG
    Publication number: 20210108042
    Abstract: A fiber-reinforced resin prepreg and a molded article obtained by molding a molding material including the fiber-reinforced resin prepreg are described. The fiber-reinforced resin prepreg contains a carbon fiber bundle and a matrix resin composition. The ipa value of the carbon fiber bundle measured by an electrochemical measurement method is 0.14 ?A/cm2 or more. The impact strength of a film obtained by solidifying the matrix resin composition under particular molding conditions is 12.0 kJ/m or more.
    Type: Application
    Filed: December 23, 2020
    Publication date: April 15, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takahiro HAYASHI, Naoki SUGIURA, Masayasu HASUIKE
  • SIZING AGENT, REINFORCEMENT FIBER TOW, FIBER-REINFORCED RESIN-MOLDING MATERIAL, AND FIBER-REINFORCED COMPOSITE MATERIAL
    Publication number: 20210108363
    Abstract: A sizing agent is provided, the sizing agent being blended with a component (A) and a component (B), wherein a mass ratio A/B of the component (A) to the component (B) is 0.5 to 20, and a proportion of a total mass of the component (A) and the component (B) with respect to a total mass of the sizing agent is 80% by mass or more, wherein the component (A) is an epoxy resin having a viscosity of 1 to 180,000 Pa·s at 30° C., and the component (B) is an aliphatic ester compound having a freezing point of 50° C. or lower.
    Type: Application
    Filed: December 22, 2020
    Publication date: April 15, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Kenji KANETA, Kouki WAKABAYASHI, Tsuyoshi TAKADA, Hiroyuki NAKAO
  • POLYPEPTIDE SEPARATION METHOD, POLYPEPTIDE PRODUCTION METHOD, AND POLYPEPTIDE PURIFICATION DEVICE
    Publication number: 20210107938
    Abstract: The present invention relates to a polypeptide separation method including a step (step A) of mixing the polypeptide, which is a monoclonal antibody, and a ligand in a liquid to form a complex of the polypeptide and the ligand and to obtain a liquid containing the complex, and a step (step B) of filtering the liquid containing the complex obtained in the step A.
    Type: Application
    Filed: December 21, 2020
    Publication date: April 15, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Shinya NOZAKI, Jun TAKEHARA, Ryoko KURAMOTO, Shohei OHARA, Yoshiya TASHIRO
  • High-density ethylene-based polymer using hybrid supported metallocene catalyst and pipe using same
    Patent number: 10975184
    Abstract: The present invention relates to a high-density ethylene-based polymer and a pipe using the same, the high-density ethylene-based polymer including: an ethylene homopolymer; or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin and linear, branched and cyclic dienes. The pipe using the high-density ethylene-based polymer of the present invention has more superior strain hardening than a conventional polyethylene resin pipe, and thus has excellent long-term pressure resistance characteristics and processability.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: April 13, 2021
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: In Jun Lee, Jeong Hyun Park, Yu Jeong Lim
  • Carbon material and production method for same
    Patent number: 10975501
    Abstract: A method for producing a carbon material, the method including a step of performing a carbonization treatment by heating an organic polymer material to a temperature higher than 400° C. in a non-oxidizing atmosphere containing a gaseous substance (A) composed of at least one of acetylene and an acetylene derivative.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: April 13, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Manabu Yamatani, Tomoyuki Kotani, Tomoyoshi Yamashita, Kazunao Hareyama
  • Tetrazole silane compound, method for synthesizing said compound and use thereof
    Patent number: 10975108
    Abstract: The objectives of the present invention are: to provide a novel tetrazole silane compound, a method for synthesizing the same, and a silane coupling agent containing the tetrazole silane compound as a component; and to provide a surface treatment solution using the tetrazole silane compound, a method for surface treatment, and a method for adhering two different materials. The tetrazole silane compound according to the present invention is a compound represented by chemical formula (I). (In formula (I), X, R, and n are respectively the same as defined in the specification.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: April 13, 2021
    Assignee: SHIKOKU CHEMICALS CORPORATION
    Inventors: Noriaki Yamaji, Takayuki Murai, Miya Tanioka, Shusaku Iida, Masato Katsumura, Takahito Imamine, Masahiko Tsujino, Tomoya Mae, Hirohiko Hirao
  • High-processability high-density ethylene-based polymer using hybrid supported metallocene catalyst, and preparation method therefor
    Patent number: 10975173
    Abstract: The present invention relates to a high-density ethylene-based polymer comprising an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin, and a straight, branched and cyclic diene. According to the present invention, the high-density polyethylene resin has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: April 13, 2021
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: In Jun Lee, Won Jun Kang, Dong Ok Kim, Song Hee Yang, Sung Woo Lee, Dong Wook Jeong, Ui Gab Joung
  • Copolymer, thickening agent containing said copolymer, and cosmetic preparation in which said copolymer is blended
    Patent number: 10973750
    Abstract: An object of the present invention is to provide a copolymer which is capable of forming a viscous aqueous solution having a desired viscosity in the presence of an electrolyte, in particular, a polyvalent electrolyte, a thickening agent comprising the copolymer, and a cosmetic preparation comprising the copolymer. The present invention relates to an acrylic acid ester (A)/compound (B) copolymer, comprising, as constitutional components, an acrylic acid ester (A) and a compound (B), wherein the acrylic acid ester (A) is represented by the general formula [1], and the compound (B) has, in each molecule, a polymerizable unsaturated group and any functional group selected from the group consisting of a carboxyl group, a sulfo group, and a phosphate group, and a weight ratio of the acrylic acid ester (A) and the compound (B), which is (A)/(B), is 9.0/91.0 to 28.5/71.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: April 13, 2021
    Assignee: FUJIFILM Wako Pure Chemical Corporation
    Inventors: Takatoshi Matsuura, Yasuyoshi Mori, Ayako Kuramoto
  • Molecular sieve SCM-15, synthesis method therefor and use thereof
    Patent number: 10974967
    Abstract: The invention relates to a molecular sieve SCM-15, a preparation process and use thereof. The molecular sieve comprises a schematic chemical composition of a formula of “SiO2.GeO2”, wherein the molar ratio of silicon and germanium satisfies SiO2/GeO2?1. The molecular sieve has unique XRD diffraction data and can be used as an adsorbent or a catalyst.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: April 13, 2021
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Weimin Yang, Zhendong Wang, Yi Luo, Hongmin Sun, Bin Zhang
  • Protein having affinity for immunoglobulin, affinity separation agent and column for liquid chromatography using the same
    Patent number: 10974166
    Abstract: One embodiment of the present invention is a protein having affinity for an immunoglobulin, which is a protein having two or more domains derived from any of the amino acid sequences of E, D, and A domains of protein A, and in the amino acid sequence of at least one of the domains, one or more lysines are included, and the C-terminal lysine is deleted or substituted, or a protein having affinity for an immunoglobulin, which is a protein having two or more domains derived from any of B, C, and Z domains of protein A, and in the amino acid sequence of at least one of the domains, one or more lysines are included, and lysine at position 4 and the C-terminal lysine are deleted or substituted.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: April 13, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shoya Yoda, Satoru Misawa, Risa Nakata
  • POLYORGANOSILOXANE-CONTAINING GRAFT COPOLYMER, THERMOPLASTIC RESIN COMPOSITION, AND MOLDED ARTICLE
    Publication number: 20210102060
    Abstract: Provided is a thermoplastic resin composition and a molded article excellent in balance of color developability and low-temperature impact resistance, where a polyorganosiloxane-containing graft copolymer in which a rubber (A) containing a polyorganosiloxane (A1) and a vinyl polymer (A2) is grafted with a vinyl monomer (b), wherein the vinyl polymer (A2) includes 90 to 100% by mass of a monofunctional vinyl monomer (a1) and 10 to 0% by mass of a polyfunctional vinyl monomer (a2) with respect to 100% by mass of the vinyl polymer (A2), wherein the glass transition temperature of the homopolymer of the monofunctional vinyl monomer (a1) is 0° C. or higher, and the peak of tan ? of the polyorganosiloxane-containing graft copolymer is in the range of ?125° C. to ?90° C.
    Type: Application
    Filed: November 24, 2020
    Publication date: April 8, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Kenta Takemasu, Ayaka Wakita, Shinji Matsuoka, Mitsufumi Nodono, Naotaka Suenaga
  • WATER PURIFICATION DEVICE, AQUACULTURE WATER PURIFICATION SYSTEM, WATER PURIFICATION METHOD, AND PRODUCTION METHOD FOR AQUATIC ORGANISM
    Publication number: 20210101812
    Abstract: Provided is a water purification device including: at least one base material carrying denitrifying bacteria; a holding part which holds the base material; a water sprinkling mechanism which sprinkles water to be treated onto the base material; and a water drainage mechanism which is arranged on the holding part and drains the water to be treated such that at least a portion of the base material is constantly unexposed to the water to be treated.
    Type: Application
    Filed: December 16, 2020
    Publication date: April 8, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tetsuya KAWASAKI, Chueh-Kuang LAI
  • Amine polymer and preparation method and use thereof
    Patent number: 10968313
    Abstract: The present invention relates to an amino polymer, its main chain is attached via a —O— group to a structure represented by the following formula (I). The present invention also relates to a process for producing said amino polymer and to its use as fuel oil detergent. Compared with the prior art, the fuel oil detergent of the present invention has the advantages such as a lower manufacturing cost and an improved deposit formation inhibition performance. In formula (I), groups and values are defined as described in the description.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: April 6, 2021
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Xin Cheng, Jianrong Zhang, Zuoxin Huang, Qinghua Duan
  • METHOD FOR QUANTIFYING TARGET NUCLEIC ACIDS
    Publication number: 20210095335
    Abstract: A method for determining absolute amounts of two or more types of target nucleic acids in a sample, including: (a) mixing a sample with a known amount of a control nucleic acid; (b) co-amplifying all target nucleic acids and a specific nucleic acid group in the sample and the control nucleic acid; (c) determining a total amount of the all target nucleic acids and the specific nucleic acid group in the sample based on an indicator of a total amount of the amplified all target nucleic acids and the amplified specific nucleic acid group and an indicator of an amount of the amplified control nucleic acid; and (d) calculating an absolute amount of each target nucleic acid in the sample based on an occupancy of each target nucleic acid in the total of the all target nucleic acids and the specific nucleic acid group.
    Type: Application
    Filed: November 20, 2020
    Publication date: April 1, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Kazuki Momose, Ai Hara, Naoyuki Togawa, Eiji Satou
  • COMPOSITION FOR HOLE COLLECTING LAYER OF ORGANIC PHOTOELECTRIC CONVERSION ELEMENT
    Publication number: 20210098703
    Abstract: This composition for a hole collecting layer of an organic photoelectric conversion element contains: a charge-transporting substance comprising a polyaniline derivative represented by formula (1); a fluorine-based surfactant; and a solvent. The composition provides a thin film suitable for a hole collecting layer of an organic photoelectric conversion element, and is particularly suited for producing an inverse lamination type organic photoelectric conversion element. (In the formula, R1 to R6 each independently represent a hydrogen atom, etc., but one of R1 to R4 is a sulfonic acid group, one or more of the remaining R1 to R4 are a C1-20 alkoxy group, a C1-20 thioalkoxy group, a C1-20 alkyl group, a C2-20 alkenyl group, a C2-20 alkynyl group, a C1-20 haloalkyl group, a C6-20 aryl group, or a C7-20 aralkyl group, and m and n are numbers which satisfy 0?m?1, 0?n?1 and m+n=1.
    Type: Application
    Filed: December 1, 2017
    Publication date: April 1, 2021
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Juro OSHIMA, Shun SUGAWARA, Takuji YOSHIMOTO
  • BIOMASS-RESOURCE-DERIVED POLYESTER AND PRODUCTION PROCESS THEREOF
    Publication number: 20210095071
    Abstract: The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use. The polyester according to the present invention has a diol and a dicarboxylic acid as constituent components and has an amount of terminal acid of 50 equivalents/metric ton or less.
    Type: Application
    Filed: October 30, 2020
    Publication date: April 1, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takayuki AOSHIMA, Yasuaki MIKI, Katsuhisa KUMAZAWA, Satoshi KATOU, Tadashi UYEDA, Toyomasa HOSHINO, Noboru SHINTANI, Kenji YAMAGISHI, Atsushi ISOTANI
  • Biodegradable polymer resin composition and molded article thereof
    Patent number: 10961389
    Abstract: The prevent invention relates to a biodegradable polymer resin composition which can realize excellent mechanical properties together with biodegradability and has improved molding processability, and a molded article thereof. The biodegradable polymer resin composition may include a polycarbonate-polyester copolymer including a branched repeating unit containing a mediating functional group including a central element and five to ten alkylene or heteroalkylene functional groups bonded to the mediating functional group, an aliphatic polycarbonate repeating unit having a chain structure, and an aromatic polyester repeating unit, and a biodegradable polyester resin having a melt index (measured at 190° C., 2.16 kg) of 3 g/10 min to 20 g/10 min.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: March 30, 2021
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Ji Hae Park, Kwang Hyun Paek, Yong Taek Hwang